Exercise cycle



FIG. 1 is a perspective view of an exercise cycle showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a modified embodiment of the design shown in FIGS. 1 through 7. 

The ornamental design for a exercise cycle, as shown and described. 